The figure shows two points source which emit light of wavelength… - Vidyadip

MCQ

The figure shows two points source which emit light of wavelength $\lambda$ in phase with each other and are at a distance $d = 5.5 \lambda$ apart along a line which is perpendicular to a large screen at a distance $L$ from the centre of the source. Assume that $d$ is much less than $L$. Which of the following statement is (are) correct?

A
Only five bright fringes appear on the screen
B
Only six bright fringes appear on the screen
C
Point $y = 0$ corresponds to dark fringe.
✓
Both $(A)$ and $(C)$

✓

Answer

Correct option: D.

Both $(A)$ and $(C)$

d

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